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NFI4
forest area
rockfall SilvaProtect · concept of transportation system
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aroad and skidding track250.5218.71016.0117.21618.7100.850311.82
road and skidding road77.3515.4118.0152.8274.8207.716116.04
road and cable line9.71429.3816.2117.61626.486.21795.34
road and flight path0.4719.51412.81217.31031.5814.21185.85
no access intended28.8830.7816.3119.2151.63524.79111.34
total366.71103.6469.3444.0683.0453.55720.11
inside perimeterroad and skidding track0.6580.21001.5381.2410.8500.4714.621
road and skidding road1.4380.6580.21000.4710.0.0.6583.125
road and cable line0.8502.3303.7231.5351.4381.83311.513
road and flight path0.4711.2412.4294.1222.1308.01518.210
no access intended0.8500.21001.6350.4710.0.1.0454.022
total3.9224.5219.3147.6164.42111.81341.57
outside perimeterroad and skidding track18.11014.51214.8117.61614.1111.83370.95
road and skidding road22.6914.5127.5163.2252.72710.41361.06
road and cable line6.31853.5531.0730.4746.1631.57198.83
road and flight path0.8507.9168.91527.0817.21058.25120.14
no access intended6.91717.1116.0186.5170.55818.81055.86
total54.76107.5368.3474.7380.74120.72506.51
totalroad and skidding track269.2233.4732.2716.01033.672.926387.32
road and skidding road101.3430.5815.7116.4177.61618.710180.13
road and cable line16.81185.1450.9539.4673.9439.66305.62
road and flight path1.63518.71024.1948.4550.9680.44224.13
no access intended36.5748.0623.9916.0112.13044.46171.03
total425.31215.61146.92126.32168.02186.011268.10
© WSL, Swiss National Forest Inventory, 18.06.2020 #860467/326798
search result: 1 entry on 1 page

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